What does it mean when a guys pupils dilate when you are talking to him?

When a guy's pupils dilate while talking to you, it often indicates interest or attraction. Pupil dilation can be a physiological response tied to emotional arousal or excitement, signaling that he is engaged in the conversation. However, it's important to consider other contextual cues, as pupil dilation can also occur due to lighting changes or other factors. Always look for a combination of body language and verbal cues to better understand his feelings.